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G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
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Chemical & Material Sciences
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Chemical Kinetics & Catalysis
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Electrochemistry
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Physics & Mathematics
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Health & Medical Sciences
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Life Sciences & Earth Sciences
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Analytical Chemistry
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Biochemistry
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General Health & Medical Sciences
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General Physics & Mathematics
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Immunology
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Pathology
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Investigating Or Analyzing Materials Using Thermal Means
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Procede et dispositif pour determiner si l'on a atteint ou depasse une valeur-limite exprimee en pourcentage d'une partie de liquide contenue dans un melange liquide et ayant une temperature d'evaporation inferieure
Einrichtung zur Gasuntersuchung mittels elektrisch geheizter Drähte unter Benutzung der Änderung der Wärmeleitfähigkeit der Gase mit der Zusammensetzung.
Vorrichtung zur Messung des Schornsteinverlustes, welche das Produkt aus der Anzeigeeines Kohlensaeureschreibers und dem Reziprokwert der Anzeige eines Temperaturmessers angibt